Automatic focus adjusting device for adjusting the focus of the

Details Automatic focus adjusting device for adjusting the focus of the Automatic focus adjusting device for adjusting the focus of the

1991-07-30

1993-09-07

Perkey, W. B.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

2502012, G03B 1336, G01J 120

Patent

active

052433757

ABSTRACT:
An automatic focus adjusting device detects focus condition respectively of a plurality of areas of a scene to be photographed to calculate respective focus adjusting data, and automatically adjusts the focus of an objective lens on an object in the scene based on the focus adjusting data. And the automatic focus adjusting device decides a focus adjusting data from the plurality of focus adjusting data based on an image magnification data representing the size of the object relative to the scene, a focal length of the objective lens or an object distance to automatically adjust the focus.

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